//当我在终端输入 node 2.js rock(石头)， 电脑会自动随机出一个，并输出我们的对战结果

// console.log(process.argv)

var playerAction = process.argv[process.argv.length - 1]
// console.log(playerAction)

// 电脑随机生成三个
var random = Math.random() * 3
if (random < 1){
  var computerAction = 'rock'
}else if(random > 2){
  var computerAction = 'scissor'
}else{
  var computerAction = 'paper'
}

//比较
if(computerAction === playerAction){
  console.log('平局')
}else if((computerAction === 'rock' && playerAction === 'paper') || (computerAction === 'scissor' && playerAction === 'rock' ) || computerAction === 'paper' && playerAction === 'scissor'){
  console.log('你赢了')
}else{
  console.log('你输了')
}



